CVE-2021-21252
HIGHCVSS 7.5/10EPSS 3.53%
Last modified
CVE-2021-21252 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The jQuery Validation Plugin provides drop-in validation for your existing forms. It is published as an npm package "jquery-validation". EPSS estimates a 3.53% chance of exploitation in the next 30 days.
Description
The jQuery Validation Plugin provides drop-in validation for your existing forms. It is published as an npm package "jquery-validation". jquery-validation before version 1.19.3 contains one or more regular expressions that are vulnerable to ReDoS (Regular Expression Denial of Service). This is fixed in 1.19.3.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Jqueryvalidation | Jquery Validation | < 1.19.3 |
| Netapp | Snapcenter | All versions |
References
- https://github.com/jquery-validation/jquery-validation/commit/5d8f29eef363d043a8fec4eb86d42cadb5fa5f7dPatch, Third Party Advisory
- https://github.com/jquery-validation/jquery-validation/pull/2371Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210219-0005/Third Party Advisory
- https://www.npmjs.com/package/jquery-validationProduct, Third Party Advisory
- https://github.com/jquery-validation/jquery-validation/commit/5d8f29eef363d043a8fec4eb86d42cadb5fa5f7dPatch, Third Party Advisory
- https://github.com/jquery-validation/jquery-validation/pull/2371Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210219-0005/Third Party Advisory
- https://www.npmjs.com/package/jquery-validationProduct, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-21252?
The jQuery Validation Plugin provides drop-in validation for your existing forms. It is published as an npm package "jquery-validation". jquery-validation before version 1.19.3 contains one or more regular expressions that are vulnerable to ReDoS (Regular Expression Denial of Service). This is fixed in 1.19.3.
How severe is CVE-2021-21252?
CVE-2021-21252 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.53% probability of exploitation in the next 30 days.
How do I fix CVE-2021-21252?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-21252?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST